Table 3.

Multivariate analysis of seroprevalent cases of L. interrogans serogroups stratified by gender

	Females N = 364	Males N = 233
Variables	ORadjust (95% CI)	ORadjust (95% CI)
Individuals
Outdoor occupation‡	0.74 (0.34–1.65)	4.76 (2.22–10.23)
Age, years (1–15)	1.00	1.00
Age, years (> 15–29)	2.41 (1.09–5.31)	1.92 (0.81–4.56)
Age, years (> 29–46)	1.62 (0.70–3.74)	1.38 (0.53–3–57)
Age, years (> 46)	2.48 (1.10 −5.60)	0.99 (0.38–2.61)
Household characteristics
Floor material
Presence of dirt floor‡	2.53 (1.18–5.41)	1.94 (1.10–3.43)
Presence of wild animals in peri domiciliary area
Presence of opossum	1.49 (0.90–2.49)*	1.54 (0.94–2.56)†
Animal husbandry purpose
Presence of piglet‡	2.36 (1.34–4.14)	1.13 (0.62–2.07)

^*missing data (N = 4).

^†missing data (N = 3).

^‡The reference category is the absence of the characteristic evaluated.